NSN 5990-00-018-9720

Differential Transmitter Synchro
DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000189720

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Definition Definition of approved item name (AIN): "SYNCHRO,DIFFERENTIAL TRANSMITTER"

A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.

5990-00-018-9720 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAFZ
Body Material
Steel, stainless
MRC:
AAQL
Body Style
Standard round d
MRC:
AAVH
Shoulder Diameter
Between 1.9850 inches and 1.9900 inches
MRC:
AAVL
Pilot Diameter
0.5950 inches
MRC:
AAZW
Second Shoulder Diameter
Between 1.9985 inches and 1.9995 inches
MRC:
AAZX
Second Shoulder Length
0.1700 inches
MRC:
ABHP
Overall Length
4.5490 inches
MRC:
ABKK
Flange Diameter
Between 2.2490 inches and 2.2500 inches
MRC:
ABKU
Flange Thickness
0.2500 inches
MRC:
ABPM
Body Diameter
1.9900 inches
MRC:
ABWV
Shaft Diameter
0.2403 inches single shaft and 0.2405 inches single shaft
MRC:
ABXF
Shaft Length
0.7190 inches single shaft
MRC:
AHCG
Maximum Tempurature Rise
25.0 degrees celsius
MRC:
AJSL
Body Size
23
MRC:
AJSN
Stator Input Voltage Rating In Volts
90.0
MRC:
AJSP
Stator Input Current Rating
866.0 milliamperes
MRC:
AJSQ
Stator Input Electrical Power Rating
7.0 milliwatts
MRC:
AJSS
Frequency In Hertz
400.0
MRC:
AJTH
Zro Impedance Angle In Deg
Between 47.00 and 53.00
MRC:
AJTJ
Zso Impedance Magnitude In Ohms
Between 90.00 and 112.00
MRC:
AJTK
Zso Impedance Angle In Deg
84.00
MRC:
AJTL
Zrs Impedance Magnitude In Ohms
Between 11.00 and 15.00
MRC:
AJTM
Zrs Impedance Angle In Deg
Between 47.00 and 53.00
MRC:
AJVF
Phase Shift Angle In Deg
2.000 input to output
MRC:
AJVL
Electrical Error Angular Range In Minutes
-8.0/+8.0
MRC:
AJVM
Spline Tooth Quantity
22 single shaft
MRC:
AJVT
Actuator Friction Torque At Plus 25 Deg Celsius
0.20 inch-ounces
MRC:
AJVV
Torque Gradient Per Angular Deg
0.160 inch-ounces
MRC:
AJWQ
Pilot Length
0.0430 inches
MRC:
AJWR
Shoulder Length
0.2500 inches
MRC:
AJWV
Aft Of First Flange Diameter
Between 1.9985 inches and 1.9995 inches
MRC:
AJWX
Mounting Surface To Terminal End Distance
3.8300 inches
MRC:
AJXA
Spline Tooth Diametral Pitch
96 single shaft
MRC:
AJYY
Shaft Thread Series Designator
Unf single shaft
MRC:
AKAF
Shaft Thread Direction
Right-hand single shaft
MRC:
AKAN
Shaft Thread Class
2a single shaft
MRC:
CQTM
Terminal Location
Rear
MRC:
CQWQ
Shaft Thread Length
0.2900 inches single shaft
MRC:
CRSJ
Shaft Type
Spline w/threads single shaft
MRC:
CSJY
Transformation Ratio
1.154 rotor to stator
MRC:
CWBH
Shaft Thread Size
0.250 inches single shaft
MRC:
TEST
Test Data Document
81349-mil-s-20708 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
MRC:
TTQY
Terminal Type And Quantity
5 screw
MRC:
ZZZK
Specification Data
81349-mil-s-20708/48 government specification

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
15A493-1
Cage Code:
80048
RNCC:
C
RNVC:
1
DAC:
6
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
M20708/48-01C
Cage Code:
81349
RNCC:
2
RNVC:
2
DAC:
E
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
MILS20708-48
Cage Code:
81349
RNCC:
4
RNVC:
1
DAC:
3
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
23TDX4C
Cage Code:
81349
RNCC:
5
RNVC:
1
DAC:
3
RNAAC:
TX
Status:
A
MSDS:
SADC:
Part Number:
23TDX4
Cage Code:
56232
RNCC:
C
RNVC:
1
DAC:
6
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
M20708/48-001
Cage Code:
81349
RNCC:
5
RNVC:
9
DAC:
3
RNAAC:
TX
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02071
FIIG:
A07800
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Part End Users MOE: Major organizational entities

Name
MOE Code
MOE Rule
PICA
DSOR
User:
DEPARTMENT OF THE NAVY Department of the Navy
MOE:
DN
Rule:
N9BN
PICA:
GX
DSOR:
User:
SPAIN Spain
MOE:
YB
Rule:
YB01
PICA:
YB
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
MOE:
ZH
Rule:
ZH01
PICA:
ZH
DSOR:
User:
ITALY Italy
MOE:
ZR
Rule:
ZR01
PICA:
ZR
DSOR:
User:
TURKEY Turkey
MOE:
ZW
Rule:
ZW01
PICA:
ZW
DSOR:

Material & Special Handling Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
0
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

ADPE 0

Represents items with no adp components

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

  Identification Codes

HMIC: Hazardous Material Indicator Code. Identifies a hazardous item.

PMIC: Precious Metal Indicator Code. Identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.

Packaging & Dimensions MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
U
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
NA
MOP:
41
PKG:
69F0
PRES MAT:
00
WRAP MAT:
00
ICQ:
AAA
THK:
X
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

LVL C Code (LVL_C) U

Items or packages that require packing for acceptance by the carrier shall be packed in exterior type shipping containers in a manner that will ensure safe transportation at the lowest rate to the point of delivery and shall meet, as a minimum, the requirements of the following rules and regulations, as applicable to the mode(s) of transportation to be utilized: (a) postal regulations, (b) department of transportation regulations, (c) civil air regulations, (d) uniform freight classification rules, (e) national motor freight classification rules, (f) american truckers' association rules, (g) other applicable carriers' rules, (h) military air regulations for dangerous materials. consolidation of shipments. all exterior packs of 1.5 cubic feet or less having no single dimension (length, width, height) exceeding 40 inches (and when the total number of such containers in any individual shipment exceeds 25), shall be consolidated, using flat pallets, box pallets, or containers as the consolidating media. dangerous goods shall be prepared for shipment according to applicable department of transportation (dot) regulations and international regulations in effect at time of shipment. shipment by parcel post must comply with postal regulations.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) 41

Watervaporproof bag, sealed.

Cushion Material (CUSH) NA

Ppp-c-795, cellular plastic film cushioning; or a-a-3129, open cell plastic cushioning; or ppp-c-1797, polypropylene foam cushioning; or a-a-59136, polyethylene foam cushioning.

Preservation Material (PRES_MAT) 00

No requirement.

  Packaging Codes

OPI: Optional Procedure Indicator Code. A one position alpha code that indicates the allowable deviations from the prescribed requirements.

SPI No.: Special packaging instructions number.

LVL A/B/C: Indicates the type of shipping container required for level A, B, or C maximum packing protection.

SPC Mkg: A two position code that identifies the special markings applied to the container, which is part of the total pack to protect the contained item during preservation, packing, storage, transit and removal from the pack.

MOP: Method of Preservation. Preventive measures to protect from deterioration resulting from exposure to atmospheric conditions during storage and shipment.

CUSH: Resilient material or devices used to absorb and dissipate energy from shock and vibration to adequately protect the contents and packaging components from physical damage during handling, shipment, and storage.

PRES MAT: Preservation Material. Identifies the material used to prevent or inhibit corrosion or deterioration of an item.

THK: Thickness of cushioning. Minimum thickness of material used to cushion the item.

TOS: Type of Storage. Type of storage space and environment conditions to be maintained for an item during storage and shipment.

Import / Export Schedule B Classification

Schedule B
NAIC
End Use
SITC
USDA
HITECH
Schedule B:
9014900000
NAICS:
334511
End Use Class:
22220
SITC:
87412
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 9014900000

Parts & Accessories For Direction Finding Compasses and Other Navigational Instruments and Appliances

End Use Code 22220

Marine Engines, Parts

Standard Intl. Trade Class (SITC) 87412

Parts and Accessories Of Navigational Instruments and Appliances

Freight Universal and National freight and handling information

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
062120
NMF Description:
Generators/motors/parts Noi
UFC:
34760
LTL:
Rating variable
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

  Freight Codes

NAIC: North American Industry Classification. Classifies items and business activity for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.

SITC: Standard International Trade Classification.

NMFC: National motor freight classification. A six position numeric code, which divides articles into groups or classes according to physical characteristics. the classification is based on truckloads vs. less than truckload.

UFC: Universal freight classification. a five position numeric code, which divides articles into groups or classes according to physical characteristics. the classification is based on carload vs. less than carload.

LTL: Less than a truckload rating.

LCL: Less than a carload rating.

WCC: Water commodity code. A three position code that indicates all shipments via water.

TCC: Type of Cargo Code. A one position code for all shipments via water to identify the type of cargo included within the shipment unit.

SHC: Special Handling Code. A one position code for all shipments via water to identify the exception handling required for cargo included within the shipment unit

ADC: Air Dimension Code. A one position alpha code that identifies dimensional characteristics of air shipments by relating the length, width, or height dimensions of the largest piece to the minimum size cargo door opening of an aircraft

ACC: Air Commodity Code. A one position code for all shipments via air to identify material for manifesting and customs requirements